If someone else has posted this before, try not to get too pissed-off with me (at least not any more than usual. I don't actually know if these have been previously mentioned.)
(These seem to beat having to use magnets)
Opinions. . .
http://www.worldfitness.com.au/produ...oducts_id=1349
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http://www.ebay.com/itm/NEW-CAP-Barb...item27ce9d9aaf
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Normal barbell clips would probably work well too.
Worth the money?
M-T
They work just fine, until the collars fail.