Talk:Iceborn Gauntlet/@comment-112.207.11.152-20130304231730/@comment-4937115-20130319231606

Plenty of physical on-hits proc lifesteal. Cait's passive, Nasus/GP Q's, etc.

More importantly, bonus damage from Sheen and Tri Force proc lifesteal.

So we can safely assume that it does proc lifesteal off your primary target, but I doubt it procs off of extra targets from splash.