Harlequin's lath wand (French, battle, a wooden sword).
To carry out one's bat
(in cricket). Not to be “out” when the time for drawing the stumps
has arrived. Off his own bat.
By his own exertions; on his own
account. A cricketer's phrase, meaning runs won by a single player.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894