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A step-by-step guide to microphone positioning
Pete Riley - Rhythm Magazine, Mon 8 Jun 2009, 2:49 pm UTC

One problem often encountered when miking the bass drum comes if the drum is fitted with a full front head. In this case, placing a mic in front of the drum will work, but it can lack the definition and isolation of placing a mic inside the drum (as above).
But, there are a couple of options…
Samson 7kit Drum Mics
Birmingham Drum Centre BDC Drum Mic Kit
Audix DP7 Drum Kit Mic