you remove all parts on your folding mechanism. you take everything out and put in bolts. this makes your scooter not move at all. much more solid. if you dont it will wiggle and eventually move so much that it will be really hard to ride. its basic modding and deffinatly is reccomended to do.
itrs make it soo the foldy dosnt move and holds it stronger you take off all the parts from the stock foldy mech and put 3 bolts in the slots 1 3/8 bolt and 2 9/16 bolts