Arb Climber #18 features Non-Handled Ascenders and Rope Grabs including chest, hand and emergency ascenders – this is a much larger PRODUCT GUIDE than usual and takes up almost half of the magazine! TR (Technical Rescue) Media Ltd in the UK publishes Arb Climber. Technical Rescue has over 20 years of equipment testing, reviews and rope rescue/access/rigging techniques under their belt, so they know their stuff. The publishers also have strong ties to people in the tree care industry. Arb Climber is the first arb-specific magazine available on the market - make sure you get your copy.