Help Jazzmann91 choose a design

Jazzmann91 is running a logo contest. So far, designers have submitted 49 entries and Jazzmann91 would love your feedback on the 8 entries below.

#37 by
thinkthing™
#35 by
Mock
#23 by
martyn
#20 by
Mock
#16 by
Zack Fair
#6 by
Snookums^^,
#45 by
OKGS
#15 by
Zack Fair

Want to know who wins?