Strap locking system. With the LOXX® Adapter it is now possible to use a LOXX® strap lock on the jack plug of your electric acoustic guitar. Pull the hole of the LOXX® Adapter over the jack plug of your guitar, and click your LOXX® equipped strap onto the LOXX® Adapter. Done! Real high-quality leather Made in Italy. Ball pin: Nickel. Content: Leather adapter (O) (10 mm), LOXX® upper part, tool, manual. Adapter (O) is is ideal for jack plugs smaller than Fishman plugs. Easy installation. Made in Germany.