You can store a nasty surprise in these plain-looking gloves to envenom a weapon at a moment's notice.
Hands Slot 840 gp
Power (Standard Action)
You store one dose of poison that can be applied to a weapon in these gloves. The gloves can hold only one dose of poison at a time.
Power (Minor Action)
You apply the stored poison to a weapon you're holding; doing so consumes that dose of poison.
Published in Adventurer's Vault 2, page(s) 61.