49742 – 15mm X 1/4″ Loc-Line Ball Adapter – Pack of 10 | Loc-Line
Scosche LOC90 Line Output Converter Adjustable Amplifier Add On Module for Car Stereo, 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Grey
PAC LP7-4 LOC PRO High Low RCA Adapter 4 Channel Converter regulated 12V Remote 4047442065552 | eBay
Ops-Core Wing-Loc Rail Adapter. Durable and lightweight
Ops-Core Wing-Loc Adaptor FAST ACH Helmet ARC Side Rails – Offbase Supply Co.