Seatylock is a bicycle saddle and lock in one. Seatylock is a bicycle saddle that quickly transforms into a one meter solid lock that enables you to lock your bike to a fixed object. The actual locking part of the device folds up underneath the saddle. Seatylock is an integral part of your bike, so you’ll never leave home again without a lock. It can get drenched with rain, but its high quality materials guarantees it won’t rust.