I've been playing both Kaldar and Gnomes exclusively for years now (kinda have an Albarian fetish) and the best thing I can find in terms of Gnomish leather armor is boa or leucro as far as tanned, if there's some younger Gnomes who need to come up with plats to pick them up find me IG and I'll help you out (Always have time for my little Albarian brothers) and I've had PLENTY of Gnomes over the past years so I've got a ton of extra tinker's sacks for anyone who needs them. I'm usually near Lang but also in Crossing every couple weeks if you need to find me.
Oritai Jerecis S'Onser'ei, Fist of the Empire
-player of (among way too many others)