I am not an expert, by any means, but my fiancée, a med student, says the brain is encased in and has had its water content replaced by paraffin. Paraffin doesn

I am not an expert, by any means, but my fiancée, a med student, says the brain is encased in and has had its water content replaced by paraffin. Paraffin doesn't stick to itself very much, so the sample is not likely to be damaged by the bunching. The "blunt instrument" you see is probably just a soft brush.