Although the D�lfersitz is an effective method of abseiling when practised correctly, it is less safe than modern methods : if the braking hand releases the rope ( due to panic, impact from a falling stone, or cramp ), a fall is unavoidable if no other means of security, such as prusik cords, is used.
42.
A fine example of some of the typical havoc and destruction Prorok caused is recorded in " Dead Men Do Tell Tales ", wherein he relates how he fell into a catacomb while working on an ancient Egyptian tomb, " My foot slipped, and I fell and crashed through . . . and I was surrounded by broken pieces of sarcophagi that had been smashed by the falling stones.