Printed from: https://conservationhandbooks.com/dry-stone-walling/safety-equipment-and-organisation/tools-and-accessories/
It is possible to build dry stone walls without any tools at all, especially if rebuilding from an existing foundation. In most cases however, a few tools are useful, and may be essential for working with some types of stone. On group projects enough hammers should be supplied so that one is within easy borrowing...