".when mine goes to point i need it reserved,i just put on new string because bow shop does not do or rec reserving a string anyhow."
Could it be that your bow shop either does not know how to reserve a crossbow or makes more money selling strings, sproulman? Recommending not to re serve a string isn't based on any information I'm aware of. I make and reserve my own strings. I reserve up to 3 times but make it a point to do so before the serving wears through to the string part. Reserving costs a fraction of the cost of a new string and can be done relatively easily, assuming any mechanical ability. But, one has to know something that the serving on a crossbow has to be very tight...much more so than on a bowstring for a vert....or the hooks will tend to separate the serving.