I just use collors on both sides of wheels and can chang from hard to grass runfield in couple minents always had good luck with them

There was a keeper like that several years ago and it worked like slip over the landing gear and just snped on the rod to keep it there -havent seen them for a long time poss 30 years or so but no bending just snap the part on the up right oart just bent the hole part to angle of the gear bend -yup they had um just dont know whee to getany now days as most just use 2 collors