Can I use a professional fitter to install a capsule? August 13, 2019 06:32 Updated Follow Yes you can hire an authorised restraint fitter, however it's at your discretion and cost. Related articles Can I install a capsule myself ? Is it safer to install with the ISOFIX method or the lap sash method? What if the Capsule doesn't fit my car? How to install a Maxi Cosi Capsule ? Do I need a top tether ? Comments 0 comments Article is closed for comments.