Which preposition to use with picklocks

about Occurrences 2%

And with that his wife replied, I fear, said she, that they live in hopes that some will come to relieve them; or that they have picklocks about them, by the means of which they hope to escape.

of Occurrences 1%

P.T.W. Judge Rumsey was so excellent a lawyer that he was called the Picklock of the Law.

Which preposition to use with  picklocks