just for shits and giggles I added that knife to my cart (I am in UK too) my cart total was $15.31 and he was right it was not free shipping because of that item, I am utterly disgusted they wanted to charge me a little extra for shipping

Registered Airmail via Hong Kong Post +$0.47 (12 to 20 working days in transit typical)

Some shipping methods are greyed out because of:
Knives: Authentic Sanre... (SKU 8006901)