how to learn to rock climb

{"cid":"91217332","title":"Training Climbing Gym Rock Climbing Walls For People Allowable Passenger >100","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a0\/75\/3cdbd4a0338db158072633434b87-200x200-1.jpg","attrs":{"Price":"$59- $73 per square meter","Brand Name":"Moonhill","Model Number":"MH-0552","Minimum Order Quantity":"25 square meter","Delivery Time":"15-35 works day","Certification":"CE\/ROHS\/Test Report","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"220 square per week","Packaging Details":"carton box ,bubble filmmplywood export pallet","Product namee":"Outdoor Fiberglass Rock Climbing Wall Board","Material":"Organic resin complex board Organic resin plywood board","Type":"manufacture","Allowable Passenger":">100","Apply to":"indoor outdoor playground","Color":"Available ,according to 3D Design","Size":"1220*2440mm\/1*1m","Packing":"plywood pallet ,bubble film,export packing box","Warranty":"12 months","Age":"5-80","Weight":"52kg"}}

{"cid":"91126975","title":"PVC Inflatable Sports Games Outdoor Commercial Children Rock Climbing Wall","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/43\/69\/9dd18d30c559e0959ec892ff2015-200x200-1.jpg","attrs":{"Price":"USD1-99999\/Piece","Brand Name":"Barry","Model Number":"HBY-SG-268","Minimum Order Quantity":"1 Piece","Delivery Time":"7-15days","Certification":"CE, EN14960, , SCT, EN71","Place of Origin":"Baiyun,Guangzhou","Payment Terms":"T\/T, Paypal, Western Union","Supply Ability":"500 Pices\/Month","Packaging Details":"Product is packed by strong PVC bag and carton for blower, pump and other accessories","Dimensions":"8*8m or customized","Material":"PVC","Application":"Outdoor,rental business,amusement park","ODM\/OEM":"Welcome","Shipping way":"by sea,express,air","Logo":"Printing"}}