I probably talked longer than I should, so he’s the low down.
The Interlock is a Lock and a seat post all in one. No need to carry around heavy locks anymore. You have the interlock a lock which is built into your seat post. AMAZING! So where do you get one? If you are in Australia head over to http://theinterlock.com.au. If your somewhere else in the world head over to http://the-interlock.com/
KickStarter: https://www.kickstarter.com/projects/solgaarddesign/the-interlocktm-the-lock-that-hides-inside-of-your (Funded)