Simple but effective

[nsd_user663_deleted]

A no nonsense video clip

youtube.com/watch?v=T3tFxeZ...(Not working as expected?)

[nsd_user663_42390]

Yuk! Just shows you, I dread to think what my lungs look like!

[nsd_user663_55311]

on the other hand - if we fail we'll be an example for smarter ones