5. The head of the toe-calk must not rest on the shoe; a space of one-sixteenth of an inch should intervene.

While a shoer of average mechanical ability can make a faultless peg toe-calk, it is not profitable to do so while good machine-made calks are to be had very cheap.

Fig. 171.

Chisel toe-calk. (Doring.) No. 1
from the firm of Branscheid &
Philippi, of Remscheid.

Fig. 172.

Shovel toe-calk.

Fig. 173.