A simple solution for a toothbrush holder above the sink.
It's help keeping the toothbrush and the holder clean all the time.
I use Strong Vacuum Suction Cups 3 mm with steel pins 3x14 mm
Vacuum suction link from ebay:
http://www.ebay.com/itm/Transparent-Kitchen-Decoration-Chuck-Car-Decoration-Strong-Vacuum-Suction-Cups-/322472883714?var=&hash=item4b14e1b602