Anyone using the R&J Handles

[delta1]

Anyone using the R&J locking handles on their moulds? If so what do you think of them, and have they made your mould sessions any easier?
regards

[SlowBurn]

am also interested to know if anyone here has experience with the locking R & J mould handles

http://www.rj-mouldhandles.com/PICT0480%20small.jpg

website is at R & J Mould Handles (http://www.rj-mouldhandles.com)