I am not quite sure what's wrong with that? ;P
Description:
* Use: Combine with 18 Soft Snowfur and one Icesilk Spool, to create a Winged Anklet.
NPC Script:
if i1 == 0
player_error "Required: Sturdy Metal Plate"
elseif i2 < 18
player_error "Required: 18 Soft Snowfur"
elseif i3 == 0
player_error "Required: Spool of Icesilk"
else
...
Matches up?