Non-Locking / UK Legal Folding Knives, some options.
without a permit these are considered illegal to carry in most
UK Legal Knives: Best UK Friendly Folders to EDC in Old Blighty
The Best Pocket Knives on 2023, Reviewed – Robb Report
Seriously good quality UK legal carry penknife
Understanding UK Knife Law for bushcraft
UK Knife Law - Dorset Bushcraft courses
No-go on illegal knife possession in UK > Royal Air Force
Tips for Traveling with Knives in Europe
A Guide to Knife Laws in the UK - Heinnie Haynes
A Guide to Knife Laws in the UK - Heinnie Haynes
Gravity Knives: What Are They and Why Are They Illegal?