[Jason H]

As Sid has said, she can also place a hand on the back of the tank under braking that may have her moving her weight in to you. This does require her to anticipate what you are going to do. Squeezing the tank with your kness does also make a huge difference.

Ensuring you are in shape can help on the bike generally as well (not just 2 up), focus on your core muscles (abs and lower back) and quads.

Really pillions shouldn't have to hold on they ought to be able to hold themselves with a combination of thier thighs/knees, core muscles and feet on the pegs. Only under spirited riding (increased lean angles, heavier acceleration and braking) should they possibly need to hold on (this does take time and practice at riding pillion though).

J