TRS 4 Point Racing Harness

I fit a TRS 4 point racing harness to my NB Miata (MX5). After fitting the Cobra Clubman bucket seat a few weeks ago, I noticed that the standard seat belt was kind of a pain to use. So I bought a 4 point racing harness, because keeping costs down is key to this MX5 project, I opted for a TRS racing harness (road legal) at around £70-£80.