Here's a list of sack holders, there are a few people I haven't had a chance to make sack holders yet, but this is everyone who can currently:
Arondight
Byaina
Flourite
Icecold
Jadennyte
Kestra (If he gets his mobo sorted out)
Zander
Salvatore
Szander
Sorry if I forgot someone, I was going off of memory and the Linkshell Community, and not everyone is registered on the community yet.