4605D 3-Foot Retractable Cable Lock (colors may vary) by Master Lock

Bulldog DT 5012 Bicycle U-Lock and Extra Security Cable by OnGuard

Bulldog MINI DT 5015TC Bicycle U-Lock and Extra Security C by OnGuard

Coil Combo Cable Locks (10mm / 6 feet) by Avenir

Evolution Series 4 Standard Bicycle U-Lock with Bracket by Kryptonite

New York Fahgettaboutit Mini Bicycle U-Lock (3.25 x 6-I by Kryptonite

PitBull MINI DT 5008 Bicycle U-Lock and Extra Security Cab by OnGuard

GE 50246 Smart Home Door Stop Alarm by General Electric

Master Lock 4684T TSA-Accepted Lock in Neon Green, Orange, Pink, or Purple, 2-Pa