The rocks were slippery with half-thawed ice, and when she carelessly stepped on the edge of one, her foot slipped, wedging between two rocks.
A method of wedging down coal sufficiently perfected to be of general application would add greatly to the security of colliers.
He could still hear her stifled sobs as he cautiously moved down the slope, wedging his foot against rocks and small vegetation for purchase.
This consists of a heavy cast iron ring, known as a wedging crib, or curb, also fitted together in segments, which is lodged in a square-edged groove cut for its reception, tightly caulked with moss, and wedged into position.
The coal is first cut to the top of the slipper coal from below, after which the upper portion is either broken down by wedging or falls of itself.