Butterfly refers to a method of cutting food partially through and spread open to increase the surface area.
It is usually done when cooking shrimps
"Butterfly" is in the HS Code "9507"
Fishing Rods, Fish-Hooks And Other Line Fishing Tackle; Fishlanding Nets, Butterfly Nets And Similar
"Butterfly" is in the UNSPSC Code "21102403"
Butterfly breeding equipment