On 26/07/2018 18:43, ARW wrote:
You know that you are going to get arse ended.

Do you keep your foot on the brakes so that you don't get pushed into
the car in front or do keep your foot off the brake and have two bumps
but of less severity?

Keep the brakes on. The back's getting hit anyway, might as well save
the front (and the complexity of another party involved).