First of all, the brakes of the gourd in the hand are mainly composed of a spine wheel, two friction pieces, and a braking base. In this way, the friction tablet will be squeezed with the spiny wheel when the gourd brake brake Secondly, the friction tablets in the aluminum alloy hand pulling gourd brakes are friction pieces, so use safe and reliable. When the hand pulls the gourd stopped rising, the braking effect can be used immediately, which is very sensitive. It is sensitive, but we also need to check and maintain carefully to ensure that its performance is not affected.