Mounting Pelican case or similar to roof rack

This is how i did mine with a 42in Plano case.
https://www.youtube.com/watch?v=66KdBsGwkmc

 

any solutions that don't involve drilling (I use my 1700 off of my truck as well for it's intended purpose). Obviously a couple of cam straps would work, but I'm looking for something a bit more elegant.

 

What do you keep in there?

 

Tow straps, hi-lift slider adapter, gloves, towels, paracord rope, spare tools, and two tri-pod chairs for an up coming beach trip. I'm not an hardcore off roader by any means so none of the extensive recovery gear that most members here have stored up there. Its just useful storage to be honest. I would like to add another case on the driver side to store various camping supplies.

 

I know a lot of people just put bolts in the rails and use that to secure the cases. I was thinking of something easier to put the cases on and off. I was thinking of doing something like a rtt method to secure them. My crossbars aren’t notched so putting the bolts in and out is not fun. Thought? Concerns?

 

Looks like the clamps that Yakima and Thule used to use to hold their cargo boxes on before they got fancier. No reason they shouldn't work. The only issue I have with mine (old Yakima Space booster) is that the knobs are occasionally in the way of whatever junk I'm putting it. Since it's almost always soft stuff like sleeping gear or wet stuff like wetsuits (and paddles), no big deal, they fit around the knobs.