« Back to Dictionary Index

A tri pin is a specialized device designed to assist individuals with disabilities in steering a vehicle.


  1. Steering Wheel Attachment: The tri pin is typically attached to the steering wheel of a vehicle, usually on the upper rim or spokes.
  2. Hand Insertion Bracket: The device features a bracket or holder where the user can insert their hand to grasp and control the steering wheel.
  3. Assistive Steering: Once the user’s hand is securely placed in the bracket, they can exert pressure or force to manipulate the steering wheel and steer the vehicle.
  4. Accessibility: Tri pins are designed to provide individuals with limited hand function or mobility with an alternative method for steering a vehicle, enabling greater independence and mobility.


  1. Triangular Shape: The name “tri pin” may refer to the triangular shape of the device, with three points or arms extending from a central hub.
  2. Attachment Mechanism: Tri pins are typically secured to the steering wheel using adjustable straps, clamps, or other fastening mechanisms to ensure a secure and stable attachment.
  3. Comfort and Ergonomics: The device is designed with ergonomic considerations to provide a comfortable and natural grip for the user, allowing for effective steering control with minimal effort.


  1. Accessibility: Tri pins enable individuals with disabilities, such as limited hand function or mobility impairments, to safely and effectively steer a vehicle, promoting greater independence and autonomy.
  2. Customization: Many tri pins are adjustable and can accommodate different hand sizes and preferences, allowing for a personalized and comfortable steering experience.
  3. Safety: By providing individuals with disabilities with a means to control the steering of a vehicle, tri pins contribute to safer and more accessible transportation options.


  1. Adaptive Driving Programs: Tri pins may be recommended or provided as part of adaptive driving programs for individuals with disabilities, along with other assistive devices and modifications.
  2. Personal Vehicles: Individuals with disabilities may install tri pins in their personal vehicles to facilitate independent driving and transportation.

A tri pin is a specialized device designed to assist individuals with disabilities in steering a vehicle by providing a secure and accessible handhold on the steering wheel. With its ergonomic design and customizable features, the tri pin enables greater independence and mobility for individuals with limited hand function or mobility impairments.

« Back to Dictionary Index