One is that it have sticker magnet,which can provide you a convenient to organize after using it,you can hanging on every metal or magnet space around you such as the refrigerator, door,tables;other one is that it have chainring which you can hanging it on everywhere as you wanted,also it is more easy to bring outside for a drink wherever you want The Thor bottle opener is made of ABS + Metal,the suitable size approx 165*70*47mm(L x W x H),the whole axe bottle opener is light and easy to carry; Wherever the beer appear wherever the thor bottle opener appear such as home, bars, restaurants, hotels,Party venue, BBQ,if you are a hiking favors you can get one on your backpack,it's light enough will not be the hiking burden; With the 3D Hammer of Thor bottle opener, you can easily open the bottle lid within seconds without any mess or spilling, even when using one hand. No longer struggle to open caps anymore, just extremely simple to use; The thor bottle opener is be designed with one side magnetic that make it more special but the thor hammer Shape make it more attractive,it become the best choice as a gift to your friends such boyfriend,father,brother and best friends.