diff --git a/crates/buttplug_server/src/device/protocol_impl/mod.rs b/crates/buttplug_server/src/device/protocol_impl/mod.rs
index 3b802a83..99c25aeb 100644
--- a/crates/buttplug_server/src/device/protocol_impl/mod.rs
+++ b/crates/buttplug_server/src/device/protocol_impl/mod.rs
@@ -84,6 +84,7 @@ pub mod nexus_revo;
 pub mod nintendo_joycon;
 pub mod nobra;
 pub mod omobo;
+pub mod ossm;
 pub mod patoo;
 pub mod picobong;
 pub mod pink_punch;
@@ -374,6 +375,7 @@ pub fn get_default_protocol_map() -> HashMap<String, Arc<dyn ProtocolIdentifierF
   );
   add_to_protocol_map(&mut map, nobra::setup::NobraIdentifierFactory::default());
   add_to_protocol_map(&mut map, omobo::setup::OmoboIdentifierFactory::default());
+  add_to_protocol_map(&mut map, ossm::setup::OSSMIdentifierFactory::default());
   add_to_protocol_map(&mut map, patoo::setup::PatooIdentifierFactory::default());
   add_to_protocol_map(
     &mut map,
diff --git a/crates/buttplug_server/src/device/protocol_impl/ossm.rs b/crates/buttplug_server/src/device/protocol_impl/ossm.rs
new file mode 100644
index 00000000..7931a960
--- /dev/null
+++ b/crates/buttplug_server/src/device/protocol_impl/ossm.rs
@@ -0,0 +1,81 @@
+// Buttplug Rust Source Code File - See https://buttplug.io for more info.
+//
+// Copyright 2016-2025 Nonpolynomial Labs LLC. All rights reserved.
+//
+// Licensed under the BSD 3-Clause license. See LICENSE file in the project root
+// for full license information.
+
+
+use crate::device::{
+  hardware::{Hardware, HardwareCommand, HardwareWriteCmd},
+  protocol::{
+    ProtocolHandler, 
+    ProtocolIdentifier,
+    ProtocolInitializer, 
+    generic_protocol_initializer_setup
+  },
+};
+use buttplug_core::errors::ButtplugDeviceError;
+use buttplug_server_device_config::{
+  Endpoint,
+  ServerDeviceDefinition,
+  UserDeviceIdentifier,
+  ProtocolCommunicationSpecifier,
+};
+use std::sync::Arc;
+use uuid::{Uuid, uuid};
+use async_trait::async_trait;
+
+const OSSM_PROTOCOL_UUID: Uuid = uuid!("a817e40d-acda-439d-bebf-420badbabe69");
+generic_protocol_initializer_setup!(OSSM, "ossm");
+
+#[derive(Default)]
+pub struct OSSMInitializer {}
+
+#[async_trait]
+impl ProtocolInitializer for OSSMInitializer {
+  async fn initialize(
+    &mut self,
+    hardware: Arc<Hardware>,
+    _: &ServerDeviceDefinition,
+  ) -> Result<Arc<dyn ProtocolHandler>, ButtplugDeviceError> {
+    let msg = HardwareWriteCmd::new(
+      &[OSSM_PROTOCOL_UUID],
+      Endpoint::Tx,
+      format!("go:strokeEngine").into_bytes(),
+      false,
+    );
+    hardware.write_value(&msg).await?;
+    Ok(Arc::new(OSSM::default()))
+  }
+}
+
+#[derive(Default)]
+pub struct OSSM {}
+
+impl ProtocolHandler for OSSM {
+  fn handle_output_oscillate_cmd(
+    &self,
+    feature_index: u32,
+    feature_id: Uuid,
+    value: u32,
+  ) -> Result<Vec<HardwareCommand>, ButtplugDeviceError> {
+    let param = if feature_index == 0 {
+      "speed"
+    } else {
+      return Err(ButtplugDeviceError::DeviceFeatureMismatch(
+        format!("OSSM command received for unknown feature index: {}", feature_index),
+      ));
+    };
+    
+    Ok(vec![
+      HardwareWriteCmd::new(
+        &[feature_id],
+        Endpoint::Tx,
+        format!("set:{param}:{value}").into_bytes(),
+        false,
+      )
+      .into(),
+    ])
+  }
+}
diff --git a/crates/buttplug_server_device_config/build-config/buttplug-device-config-v4.json b/crates/buttplug_server_device_config/build-config/buttplug-device-config-v4.json
index 0efb4802..bd0c13ca 100644
--- a/crates/buttplug_server_device_config/build-config/buttplug-device-config-v4.json
+++ b/crates/buttplug_server_device_config/build-config/buttplug-device-config-v4.json
@@ -15513,6 +15513,40 @@
         "name": "Omobo ViVegg Vibrator"
       }
     },
+    "ossm": {
+      "communication": [
+        {
+          "btle": {
+            "names": [
+              "OSSM"
+            ],
+            "services": {
+              "522b443a-4f53-534d-0001-420badbabe69": {
+                "tx": "522b443a-4f53-534d-1000-420badbabe69"
+              }
+            }
+          }
+        }
+      ],
+      "defaults": {
+        "features": [
+          {
+            "description": "Stroke Speed",
+            "id": "6ff53ba2-a5c0-462e-b2d6-420badbabe69",
+            "output": {
+              "oscillate": {
+                "value": [
+                  0,
+                  100
+                ]
+              }
+            }
+          }
+        ],
+        "id": "6beebf46-3dfd-4e11-b0f9-420badbabe69",
+        "name": "OSSM"
+      }
+    },
     "patoo": {
       "communication": [
         {
diff --git a/crates/buttplug_server_device_config/device-config-v4/protocols/ossm.yml b/crates/buttplug_server_device_config/device-config-v4/protocols/ossm.yml
new file mode 100644
index 00000000..ea7669a3
--- /dev/null
+++ b/crates/buttplug_server_device_config/device-config-v4/protocols/ossm.yml
@@ -0,0 +1,18 @@
+defaults:
+  name: OSSM
+  features:
+    - description: Stroke Speed
+      id: 6ff53ba2-a5c0-462e-b2d6-420badbabe69
+      output:
+        oscillate:
+          value:
+            - 0
+            - 100
+  id: 6beebf46-3dfd-4e11-b0f9-420badbabe69
+communication:
+  - btle:
+      names:
+        - OSSM
+      services:
+        522b443a-4f53-534d-0001-420badbabe69:
+          tx: 522b443a-4f53-534d-1000-420badbabe69