Rubbing your dorsum with interlaced fingers

…customer toilet, Drayton Manor theme park, Staffordshire

0) Wet hands with water;
1) Apply enough soap to cover all hand surfaces;
2) Rub hands palm to palm;
3) Right palm over left dorsum with interlaced fingers and vice versa;
4) Palm to palm with fingers interlaced;
5) Backs of fingers to opposing palms with fingers interlocked;
6) Rotational rubbing of left thumb clasped in right palm and vice versa;
7) Rotational rubbing, backwards and forwards with clasped fingers of right hand in left palm and vice versa;
8) Rinse hands with water;
9) Dry hands thoroughly with a single use towel;
10) Use towel to turn off faucet;
11) Your hands are now safe.