Why, he must have freed himself within a minute after we locked him in.
"Leo the Circus Boy"
Ralph Bonehill
The boy observed that this one also had freed himself from his fetters, but fortunately he apparently preferred to remain with his companion instead of running away wherever his eyes should lead him.
"In Desert and Wilderness"
Henryk Sienkiewicz
freed, they rushed over the snow like race-horses.
"My Attainment of the Pole"
Frederick A. Cook