In my experience, *any* collar left on the dog 24/7 will create a cowlick and eventually break hair. Fursavers are required for SchH/IPO type trials and are the collar of choice for SV conformation so I have several but those are really the only times my dogs wear them (during a trial or show). My GSDs are "naked" at home but all my dogs have a 1" ASAT buckle collar with brass ID plate that has my contact info and they wear these when we travel. Coke (mutt) wears his 24/7 because he is an escape artist. I think rolled leather looks nice on a GSD for a normal daily collar. Strong, yet thinner than a typical 1" flat collar so it makes less of a cowlick around the neck.
Liesje & the K9s
Nikon (GSD) U-CH SG Alta-Tollhaus Bono SchH1 KKL T1 FO PA TF-III FDCh-S CL1-R UJJ U-CA HIT TT CGC
Coke (All-American) VPC's Coca-Cola CGC, couch warmer extraordinaire
Indy (All-American) Blue Horizon's Indigo Girl, flyball star in training
Rainbow Bridge Kenya (GSD) U-CH Alta-Tollhaus-Krieger Lamb Chop CL1-R CL1-F RA HIT TDI TT CGC
vom Blauen Horizont / Blue Horizon GSDs