The M1 Maverick with adjustable neck lanyard, is just one of many well engineered ID holder/wallets by bay area company, Danjo Products. Aerospace aluminum is combined with top grain leather, to create the flagship vertical M1 wallet. 4 loop holes are incorporated into each corner to attach keys lanyards, and tethers, while the pocket variant holds up to 10 cards plus cash. This wallet is elegant and sophisticated with an industrial edge which sets it apart from other slim wallet designs. More information can be found on their website.