I recently came across this thing which adapts your Hi-lift directly to your shackle mount tabs. Yes, there are other ways to Hi-Lift from your shackle mount tabs or shackles, but this struck me as particularly ingenious as it is super simple, and gives you a fully safe mechanical connection to the shackle mount.
It also works with receiver shackle mounts so you can also use it from your receivers. One of those things which once I tried it the first time, I can't believe someone didn't come up with this thing decades ago...
Yah, it was $69 bucks. Their other adapter (DLA) which encompasses the shackle and also gives you a tube lifting surface, is $160 tho... The SAM at $69 is fairly cheap insurance for mechanically connecting the jack to the shackle mount though--it eliminates the problem of the jack slipping from the jack point. It doesn't eliminate the problem of Hi-Lifts slipping from the base, but for one of the two it is a huge safety factor improvement--think one of these should be in just about every Hi-Lift accessory bag...
JeepsNeeds SAM for Hi-Lift Jack - FREE SHIPPING IN THE USA!
https://www.youtube.com/watch?v=4V9F2HEgStY
This is the other adapter, the DLA, which encompasses the whole shackle and gives a tube lifting surface but is quite a bit more expensive.
JeepsNeeds DLA - The D-Lift Adaptor for Hi-Lift Jack