Assertion: leech | /r/CapableOf | ball up on the hook
Facets:
value: under certain circumstances
type: TEMPORAL
Source sentences:
text: One of the primary faults many walleye anglers find with leeches is they tend to ball up on the hook under certain circumstances, thereby negating the effectiveness their typical undulating swimming motion provides.
text: Cold water is one such element that can cause a leech to ball up on the hook.