Originally Posted by skatty

Warm water in the sink with a drop of washing powder fill them up shake them about rince with clean water dry them at room temp

A bit hard for the first few minute's but soon soften off

Done it to mine for the past few year's with no problems

And yes they do smell nice after words

PS: Make sure you rince all the soap out .. if not they may get a bit slippy if it rain's