terry, hey buddy which Nitro are we talking about I use to rep them in Louisiana and thur out the south awhile back ...I shoot trad lites and traditional ...they work good with inserts too ,but you got really put the time in to get them right to fly good..I only cut 1/4 inch at a time ..till i get it right ..if you have a center shot bow its easier also...I was just wondering ...Im trying my hand at a self bow , Im a rookie on those . great info here..catch later #78 Mark