Thanks for the fastest ever delivery of this essential bit of kit! :) This knee crutch was a real lifesaver when I hurt my shoulder and couldn't use regular crutches to get around. I would say that an optional extra knee pad is a must for the first few days and would reccomend -if it gets developed to 3.0- an additional/ fold out foot prop so the crutch doesent have to be removed every time you sit down. I loved how good I got at getting around, carrying stuff and being self sufficient. Watch out for self closing doors though- stay sharp! It's real tricky coming down narrow, high steps, on rough ground or sideways slopes, and when you're tired It's not easy to concentrate on every step and remember the little extra weight/ balance, but it is totally worth it! Really happy to reccomend trying this out, hopefully not for too long though!