A clip-on folder is used to collect unpunched documents .
It is made of cardboard, is slightly larger than A4 and has a folded edge on the left, which contains a steel spring clip and only covers a narrow edge of the uppermost document.
The documents are placed in the edge with the spring clip pulled out and held in place by pushing in the spring clip. Manufacturers recommend a maximum of 10 sheets.
Clamping Hand Wallet will be in authorities in the transaction processing used contained documents.