On 01/02/2018 22:26, Graeme wrote:
In message , Vir Campestris
writes

7. Hold seat with one hand, leaving the other free to aim.

Some of us need two hands :-)

8. Screw a short strip of metal with a weight on the end to the back of
the seat, so as to move the centre of gravity to the far side of the hinge.
--
Dave W