Possible Clues:

• Fashion yet to be found at sea?
• Way of doing something, perhaps in madness
• Way to have come across it with bricks in (6)
• Word after "scientific" or before "acting"
• How to weigh this, by the sound of it
• Way of procedure
• Kind of technique, may be present in madness
• Style of technique, as of some actors
• Technique gone through at front of house to get door opening
• Procedure for achieving an end