On 20:13 6 Aug 2020, Simon Mason said:

On Wednesday, August 5, 2020 at 10:01:36 PM UTC+1, Pamela wrote:

In other words, a shifting rucksack packed with groceries will
destabilise a cyclist. If it is more than he can compensate for then
he will fall off. Q.E.D.

I have never fallen off due to a heavy backpack, only after getting hit
by a car undertaking another car at a pelican crossing.

By your own admission in your book you have "Scorpio powers" but not
everyone else can be as perfect as you on every single journey they make.

Maybe it follows that these lesser cyclists shouldn't be allowed to cycle on
the road with a rucksack.