{"product_id":"watchdawg-locking-tractor-air-valve-knob-pin-on","title":"Watchdawg Locking Tractor Air Valve Knob, Pin On","description":"\u003cp\u003eProtect your truck and your cargo! The Watchdawg replaces the standard yellow tractor parking brake knob.  Flash chrome plated aluminum. Once installed it stays on, making it convenient to use anytime -- no more fumbling around with removable locking devices!\u003c\/p\u003e\n\u003cp\u003ePerfect for use in tractor-trailer applications as well as RV, buses and more.\u003c\/p\u003e\n\u003cp\u003eRoll pin mount  installation. Fits pin-on style knobs only.\u003c\/p\u003e\n\u003cp\u003eMade in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eHow it works:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the yellow knob and install the Watchdawg using one of the included adapters. \u003cbr\u003ePull the knob out to apply the brakes.\u003c\/li\u003e\n\u003cli\u003eInsert key and unlock, enabling the Watchdawg to slide back and forth.\u003c\/li\u003e\n\u003cli\u003eReposition the Watchdawg against the dash and turn the key to lock. Locking the knob against the dash prevents brake release.\u003c\/li\u003e\n\u003cli\u003eReturn the knob to operating mode by using the key to unlock, pull the knob to its outer position and re-lock. The brake valve will now operate normally.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNOTE: Red trailer knob is not included.\u003cbr\u003eThread on  version  available, \u003ca href=\"https:\/\/www.iowa80.com\/products\/watchdawg-locking-parking-brake-air-valve-knob-thread-on\" target=\"_blank\"\u003eitem 231862\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e","brand":"MID-AMERICA MANUFACTURING INC","offers":[{"title":"Default Title","offer_id":52809202696514,"sku":"287722","price":156.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/2826\/4002\/files\/287722a.jpg?v=1779365750","url":"https:\/\/www.iowa80.com\/products\/watchdawg-locking-tractor-air-valve-knob-pin-on","provider":"Iowa 80","version":"1.0","type":"link"}