Wrap around sub frame connectors

Have you used wrap around sub frame ties like the XRT from magnumforce or home made ones like them? Curious what you think? Weld in vs. bolt in? I'm looking at something other than the weld in floor ties.

After looking at the commercial offerings, I am currently working on a DIY solution as documented by @72bluNblu and other FABO members - example: Best Subframe Connectors