The smiley was there to show that this should not be taken too seriously, except I like the looks. Some of the more traditional folders I have are not all metal at the hinge but I guess I did not buy them for EDC use, some also might have issues with galvanic corrosion. Hackman butterfly puukko is hinged directly to the plastic handle and has served well for 30 years, the problem being the butterfly functionality in some minds ...