Visitors were mesmerized by various wacky gadgets, such as spring-loaded, shock-absorbing stilettos, a pepper-spray wristwatch to aim at an attacker and a tuning fork that can iron out wrinkles.

• 参展游客被各种古怪玩意所吸引，如装有弹簧的减震高跟鞋、可喷射胡椒粉的防身手表和能熨平脸部皱纹的音叉。