Waterbuoy - Miniature Flotation Device With Light

[elton]

Posted in the boat section, but may be of interest to beach and rock anglers:

I've been spending ages on a gadget / gimmicky website lately, looking for Christmas bits, but spotted this item and thought it may be good for some of us:

http://www.nesa.co.uk/offers/Waterbuoy

I seem to remember it on Dragon's Den, but has anyone here used them? May be worth a look.