This design is designed for people without sufficient strength or mobility in their fingers to type, with the metacarpophalangeal joints in extension or hyperextension and the proximal and distal interphalangeal joints in flexion or extreme flexion and with the possibility of using the functional synergy of the wrist. For example, people with ulnar nerve paralysis, polyneuropathies or quadriplegic hand.

This knob is intended to be used by people who operate their electric wheelchair with a chin control. It allows the chin to be better accommodated, so that it is more difficult for it to dislodge while operating the chair.

The design of this piece is designed to be able to fix a horizontal tube to the back of those wheelchairs that do not have it. Suitcase supports or any other element that may be useful to the user can be attached to this horizontal tube.

The design of this piece is designed to be able to be attached to a vertical tube on the footrest or the front of the chair, so that a small bag can be hung.

This rotating armrest has been designed with people in mind who have difficulty moving their arm when performing manipulative tasks on a table (using a keyboard, mouse or manual activities in general) or when doing so for a certain period of time. They have great muscle fatigue.

The design of this piece is designed to provide additional support for the forearms to those people who for various reasons are not able to maintain their posture when working on a table.