I can easily get quite cold hands while programming so using these hand warmers are really nice! Or the nittens with short/cut out fingertips.
// Dessa handledsvärmare är perfekta för programmering då händera blir alldeles kalla efter en viss tid!
Sadness Theory
Music with passion for the environment
Sadness Theory 
My hands are cold all the time even if I do not program 🙂 Nice and stylish tip btw
For everyone at the computer!