Must the wheel be round? Do round wheels always run the fastest? A few years ago, when we are still the "Round wheel is the ultimate design" For the truth, an inventor named david patrick broke the routine, invented a strange-looking "Shark wheel. And it has been proven that on the ground with friction, "Shark wheel" Than the traditional round wheel rolling faster.
There is a very obvious difference between the two styles, the sports headband is wider and thicker, while the sweatband is a thin one. Secondly, the use of the two scenarios are also different, sports headbands are suitable for people who sweat more when exercising, while sweat-conducting bands are suitable for occasions when sweating is less.
Today to introduce you to this outdoor supplies is specifically to solve this problem: Goout three pockets waterproof sweatproof outdoor sports storage waist bag. Especially suitable for long-distance running, cycling, hiking and other outdoor sports.
Because of the physical differences between boys and girls, resulting in a difference in the weight of the elastic band training. Girls' muscle strength is worse than boys, boys in the elastic band weight-bearing exercises, we must increase their training weight, so that their fitness effect is more obvious. So how to choose the weight of the elastic band?