YotaAtieToo
Thick skull
Mebbe I just been lucky, but airing down to to about 12-17 psi on a normal truck without headlocks never caused any me any issues. I've only had headlocks on a Yota extra cab on a regular cab frame with TSLs and then Pitbull Rockers. They did great in the 3-7psi range up here in wet California.
Beadlocks aren't really needed for decent Radial tires. Some of the older bias tires need lower psi to work well and would just fall off the rim. My 39.5 Iroks, when dismounting, you'd just step on the bead and they'd fall off the rim, while my 35 mtr/k I had to make a tool that bolted to the back of the wheel so I could use a high lift 5o bust the bead. It would just lift what truck I tried to use off the ground otherwise.
I run beadlocks for snow and because I hate getting shit in the bead, making the tire leak.