With the high-lift, you can sorta jack the truck up and push it over to get it to move (not safe).
It can also be used as a winch (a crude one at that) with a rope on each end.
They sometimes like to drop, dont get in the way of the bar, stand BESIDE the jack, not directly behind it. (just a tip)

89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim