The bottle opener is not used for ordinary daily necessities, and it will produce great pressure when opening a bottle. The quality of the handle, the quality of the bearing and the angle of the rotating wire are very important.
As long as the habit of opening bottles is good enough, a bottle opener with a price of 2 yuan in China can fully cope with two or three years. A good master can also use a bottle opener for a year.
when opening a bottle, the most important thing is that it must be absolutely parallel to the bottle mouth when inserting. Studies show that the best angle between the bottle mouth and the rotating wire is , and then for every increase of 1, the force borne by the bearing increases by 189% (nearly three times the force you apply) and the force borne by the middle position of the grip increases by 161% (more than two and a half times the force you apply) < P > If you break dozens of bottles in a short time, it basically shows that there is something wrong with your habit of opening bottles. There are video tutorials on the Internet. First, buy a batch of bottle openers for 1 to 2 yuan and practice slowly. < P > There is another method. There is a bottle opener called rabbit ear bottle opener, which can automatically adjust the angle. However, this bottle opener is not produced in China, and it is generally only used in high-end bars and luxury houses abroad, and the price is above 15.