Pectorals on glass alias and implications

BUR #7702 has been approved by @nonamethanks.

create alias pectorals_against_glass -> pectorals_on_glass
create implication pectorals_on_glass -> against_glass
create implication pectorals_on_glass -> pectoral_press

Equivalent to breasts on glass

The bulk update request #7702 (forum #199037) has been approved by @nonamethanks.