The "Eyelure" Heated Eyelash Curler is an excellent gadget. It works really well and the technique is so simple; just allow the curler to heat, for about 20 secs, ten press gently against your lashes. It only takes a few seconds and it's a bit like using an ordinary mascara wand. The effect is long-lasting, my lashes still looked "perky" at bed-time!
If, like me, you wear specs, and find that your lashes (annoyingly) sweep against the lenses when you blink, then putting a curl into them will help to prevent the problem.
Five stars from me, a great product and good value for money.