THE BASIC PRINCIPLES OF MAGNETIC PHONE RING

Is this a certified belay gadget?  Can I dangle from El Capitan by my iPhone if my Labodet Ring is securely roped in?  I believe needs a abide by up evaluate. We have to see the serious screening!The design is analogous to those earlier mentioned and arrives packed with an internal ring that rotates 360 degrees. Furthermore, you are able to flip