At the end of my lesson my trainer pointed out my illegal chin strap, I knew it was illegal but I had only done schooling shows and its just flat chain, no rubbing or marks, I put it on because my good one broke. I can't believe I forgot to change it last year . That could of got me in trouble. Anyways, I googled NRHA legal curb straps but I didn't find anything, so what should I look for? My horse isn't misbehaved, rude or pushy. I just need a legal one!