It needs to be bolted to the ground. The installation instructions are shown in the link: https://d2v0huudrf11kh.cloudfront.net/vevor-center-goods/%E5%B0%BA%E5%AF%B8_1635248375778.png
Yes. Please check the following link: https://www.vevor.com/cable-ramp-c_10747/vevor-curbside-driveway-ramp-driveway-curb-ramp-car-threshold-bridge-tack-2pack--p_010166149939.