get a seat belt cushion from tesco and attach it to the dog guard if you have one, but only when needed.
Kaney
I just got rear highbacks done from dna brill job 2 frontseats and 3 rear £485 this inc del there and back vat etc new foams and covers 1/2 tecno 1/2 vinal only prob is i can't see a d4m thing out the back so much so i have taken out the mirror.
My advice is 2 side seats highback but keep the centre one low and get a seat belt cushion from tesco and attach it to the dog guard if you have one, but only when needed.
Kaney