With panadermic semi-boloid slots? (Fully boloid slots require a macroflanging compensator, and who's got the money)

I always liked its tungsten cowhide casing [0], but the newer retroencabulator's removal of the expensive to dispose tetraethyliodohexamine greatly cuts down on the recurring maintenance costs.

[0] http://www.floobydust.com/turbo-encabulator/ge_turbo-encabul...