A shame there is no help in this thread for the OP and little sarcasm; just bickering.
This gets done every week. Its a personal opinion. Test it. Posting pointless videos where a car has no drag and keeps up with a faster car in front isnt going to help the OP decide

Test one, buy the one you like.
Didnt say you contributed, you just didnt lock it once the standard rubbish started.