This section is from the book "Handy Man's Workshop And Laboratory", by A. Russell Bond. Also available from Amazon: Handy Man's Workshop And Laboratory.
In sandpapering woodwork of irregular shape the paper is laid over a slick of wood and used practically as a file. For holding the paper the writer has often used a simple holder for different kinds of work with satisfactory results. The holder consists of a stick, preferably of pine wood, of the required shape and size and tapering slightly toward one end. Into the narrow and saw a slot in the center to about two-thirds its length. Cut off a piece of sandpaper wide enough to go around the stick.

Fig. 73 - Convenient holder for sandpaper.
allowing a liberal margin to fit into the slot. Fold the paper so it can be slipped into the slot and around the holder from the end; pull it down until it fits snugly, when it is ready for use. Emery cloth can be used in the same way for polishing parts of machines and the like.
In Fig. 73 the holder is shown at A, and the paper folded ready to apply at B. The sections C to F suggest some shapes that may be used.
 
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