- mounting: n. (大炮等的)架设；装置；座,架 ...
- block: n. 1.片，块，大块；粗料，毛料； ...
- boiler mounting block: 锅炉架座
- Bob : use this mounting block . now hold the reins with your left hand
- Boiler mounting block
A mounting block, horse block, or in Scots a loupin'-on-staneTam O'Crustan is an assistance for mounting and dismounting a horse or cart, especially for the young, elderly or infirm. They were especially useful for women riding sidesaddle, allowing a horse to be mounted without a loss of modesty.