Assertion: crampon's boot | /r/HasAspect | toe and heel welts
Facets:
value: in order to be compatible
type: PURPOSE
Source sentences:
text: The boots I bought have toe and heel welts
text: Keep in mind that this style can only be used with boots that have both heel and toe welts.
text: In order to be compatible with this style of crampon, a boot must have toe and heel welts and a fairly stiff build that provides a stable structure for the crampon.