I have recently re-worked two hawks intended for throwing at Rendezvous. One has a Tru-Oil finished handle. The other has a stain/sealant product. Over the course of many throws the ability to control the release begins to vary due to the handles. They are either slick or tacky. Interestingly, the handles are not consistently slick or tacky, they are either depending on sweat and temperature. So, is there a better finish for these, or is there a common wrap or "checkering" or something to keep the grip friction consistent? Thanks