This is a very cool at-home bike mod. Stop exhausting yourself up those hills and install a friction-drive motor.
A+ 8:23
Too terrified to hypermile, but can't afford the gas prices at the current rates? Systm has some great tips for saving gas without having to sacrifice your life for it.
A- 15:26
Don't resort to calling a locksmith... get yourself out of a jam with a coat hanger jimmy. This is a great pain saver when your keys get locked inside your car.
B+ 2:59
Sometimes science is just too good to be true. This clever and simple use of a pulley system will make you look like the Incredible Hulk in under a minute.
B 1:52
These are real instructions on building this crazy and fun death machine. Mod your car to hold this contraption to it's roof and give your friends the ride of their life, without the lines of a normal roller ...
A- 5:34
