Every bike junkie has a dusty, beat up card­board box full of old parts tak­ing up space in the garage. The parts that are a lit­tle too worn out to use on your trusty steed, but you dare not throw them away because you know they will some­how be use­ful for a future project.

In this amaz­ing video, Col­in Mac­duff puts his old bike parts to use by build­ing him­self a pros­thet­ic fin­ger to replace the one he lost in an explo­sives acci­dent. Watch this news inter­view about a genius home mechan­ic who takes tin­ker­ing with bike parts to a whole new level.

[Via: bikeru­mor]