I've had problems with my bows rattleing around in bow cases. Actually cracked a tip on one. I fixed the problem with some foam.
Wish I could find some black foam to make it look a little better.
Bill Bentgen http://www.billbentgen.com
Pöllmann 5 String Bussetto 1999
Kay C-1 #24190 1950
Sue Lipkins German Bow 2011
Prochownik German Bow 1999