{like DataHand}
{without leaving the keys,{like the Twiddler, see homepage: [2] }} {but {unlike the Twiddler} for each hand}
{what is a good idea until now}
{like using a castanet} {see: [1] for a picture of this musical instrument:-}-- FridemarPache
See also ShoeKeyboard, KinesisKeyboard, DataHand, HandyKey
From ErgonomicKeyboard