Used it on my Yokomo SD, loved it!! It helps me to mount the Lipo's very securely. Just have to do very little modification on it, and it'll do the job perfect!! I have, latter on, replaced the magic strap to two straps (one on each side), because it takes too long to un-strap!!
The best thing that 3Racing manufactures.
I've already bought several hop-ups from 3racing for may TA05, and they are not the best I must say... But this battery strap is excelent!It comes with a template to help drilling on the right spot in CF chassis.