With the call loosly assembled, At the joints i will take small peices of papertowel, roll it up tight, push it in the joint with a razorblade to tighten the fit, this allows you to adjust the desired depth, once it is where you like apply one or two drops of superglue allowing it to secure each joint. Then to get the smooth transition at the joints i use a 5 minute set clear epoxy, get it mixed good, apply with plastic fork or toothpick at joint until joint is filled while holding call horizentally and turning the call, the epoxy will level out and you can angle the call some while turning to even the transition out. Just keep turning until it firms up or you will have a mess. The next day hand sand if needed. This is lenghty but it will provide a smooth transition to wrap.
Once it is wh