They could also use regular-length hockey sticks to hit bludgers (perhaps wiffle balls) on the ground.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	4:nsubj	Discourse=joint-list_m:97->96:0|Entity=(45-person-giv:act-cf1*-1-ana)
2	could	could	AUX	MD	VerbForm=Fin	4	aux	4:aux	_
3	also	also	ADV	RB	_	4	advmod	4:advmod	_
4	use	use	VERB	VB	VerbForm=Inf	0	root	0:root	_
5	regular	regular	ADJ	JJ	Degree=Pos	7	amod	7:amod	Entity=(98-object-new-cf4-5-sgl|SpaceAfter=No|XML=<w>
6	-	-	PUNCT	HYPH	_	5	punct	5:punct	SpaceAfter=No
7	length	length	NOUN	NN	Number=Sing	9	compound	9:compound	XML=</w>
8	hockey	hockey	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	sticks	stick	NOUN	NNS	Number=Plur	4	obj	4:obj	Entity=98)
10	to	to	PART	TO	_	11	mark	11:mark	Discourse=purpose-goal:98->97:0
11	hit	hit	VERB	VB	VerbForm=Inf	4	advcl	4:advcl:to	_
12	bludgers	bludger	NOUN	NNS	Number=Plur	11	obj	11:obj	Entity=(34-object-giv:act-cf2-1-coref)
13	(	(	PUNCT	-LRB-	_	16	punct	16:punct	Discourse=restatement-partial:99->98:0|SpaceAfter=No
14	perhaps	perhaps	ADV	RB	Degree=Pos	16	advmod	16:advmod	_
15	wiffle	wiffle	NOUN	NN	Number=Sing	16	compound	16:compound	Entity=(99-object-new-cf5-2-sgl
16	balls	ball	NOUN	NNS	Number=Plur	12	appos	12:appos	Entity=99)|SpaceAfter=No
17	)	)	PUNCT	-RRB-	_	16	punct	16:punct	_
18	on	on	ADP	IN	_	20	case	20:case	Discourse=same-unit_m:100->98:1
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	Entity=(100-place-acc:com-cf3-2-sgl
20	ground	ground	NOUN	NN	Number=Sing	12	nmod	12:nmod:on	Entity=100)|SpaceAfter=No
21	.	.	PUNCT	.	_	4	punct	4:punct	_
