Secretting

[… M]any Instances have lately happened of notorious Malefactors, as well as Persons imprisoned for Debt, breaking and making their Escape out of Goale, and so by the Help of their Confederates secretting themselves, and clandestinely getting off the Island, by which Means Delinquents evade Justice, and honest People are deprived of their due Debts, to the great Detriment of the Publick […]

(He lets one more stone fall from his hand, then snaps his palm shut, secretting the contents, holding the fist upraised in front of the girl, teasing her with his game.)