How stair climbing wheelchair Caterwil really works? Video review Caterwil GTS3 model. Caterwil is a wheelchair for stairs, wheelchair lifts disabled people up and down the stairs. The video gives answers: 1) How to climb stairs on wheelchair 2) How to get down the stairs on wheelchair 3) How to get up the stairs on wheelchair 4) How to lift wheelchair in a car There is no need to install equipment like: 1) Wheelchair lift 2) Wheelchair ramp 3) Ramp for stairs 4) Portable ramps More on website https://caterwil.com/