Assertion: reformer's carriage | /r/AtLocation | the frame
Facets:
value: by springs
type: CAUSE
Source sentences:
text: Consisting of a large frame, topped with a flat, cushioned platform; this platform (or carriage) is attached to the frame by springs and moves as you push or pull with your legs and arms.
text: The moving carriage on a Reformer is attached to the frame by a series of tight springs mounted under the carriage.