Prototype 20 and 21

Prototype 20: testing prototype 9 in combination with prototype 14

Elements of experience:

Positive expected: 

Positive unexpected: 

Negative expected: first strip still goes down to the popliteal, too hard

Negative unexpected: 

Prototype 21: testing prototype 9 in combination with 15

Elements of experience:

Positive expected: better (softer) than prototype 20

Positive unexpected: 

Negative expected: 

Negative unexpected: