An adjustable locking strap apparatus for locking an elongate object includes a first loop, a second loop, and an adjustable strap extending therebetween. The loops can be fit about ends of the elongate object. One loop could be adjusted adjusted for proper size. The strap extending between the loops can be adjusted between the loops so that when the first and second loops are positioned about the elongate object, the strap is sized to prevent either loop from being removed from the object. A lock is interconnected with the adjustable loop and strap for securing the size of the adjustable loop and strap. A tether portion can secure the locking strap to a fixed object. A stopper on the tether can be positioned within a car, and the window rolled up to retain the locking strap within a car. In other embodiments, two straps with loops at one end and stoppers at the other end can used. One loop is positioned about an end of the elongate object and the strap is retained in a housing. The other loop connects with the housing, the strap loops over the object and is retained in the housing. The stoppers may be inserted within a vehicle.