A secured transaction is a transaction that is founded on a security agreement. A security agreement is a provision in a business transaction in which the obligor, or debtor, in the agreement gives to the creditor the right to own property owned or held by the debtor.
If your brush has two speeds, and uses brush heads with slim-angled necks, then you have a Sonicare Elite. An Elite toothbrush has a thread collar screw on brush head.
Brush heads for the Clarisonic systems retail around Â£21 RRP. The Clinique Sonic System, on the other hand, is available for Â£79 from all Clinique UK stockists and being Clinique, the price is universal and unwavering (Clinique Boots are offering free delivery and Â£3.16 worth of advantage points up for grabs).