At one point in the limestone pavement I was able to locate a source of fresh water which someone had kindly marked with a red Q (quelle - it means a spring) and I was able to replenish my bottle.
I was unaware that the area was inhabited by poisonous black vipers until after I'd finished the walk.
The new Lawrence of Arabia headgear (www.capo.cc) proved its worth and my ears and nape came through unscathed.
Signs of wear and tear* were limited to a raging thirst for a beer! This was later satisfied at the Höllengebirge tavern in Seefeld. Here Mahler composed his 2nd and 3rd symphonies.
*ps - I forgot to mention my two black toenails!