Billy's Backbiters are well on their way to becoming one of those cult products for what their inventor Steve Bown calls "pukka pikers".
As well as a offering a modified arm with ball clip and adjustable weight fitted to his own alarms, Steve - aka Billy Two Fish - is now offering the arms on their own, for those who still prefer a front alarm with a drop-off attached to the rear rest.
Follow this link and scroll down. Then scroll down a bit more because they're quite near the bottom, under all the other options and modifications now on offer following feedback from his growing band of customers.
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