On Video: The Earth Angel Wind Up Sex Toy (No, It's Not A Wind-Up)
The Earth Angel is the new eco-friendly sex toy that doesn't need need batteries - to get it going, you just have to wind it up. No batteries required.
Four minutes of winding gets you half an hour of vibration - and a tired arm. Whether that's a fair pay-off for an orgasm that doesn't cost the Earth is open to debate.