Firing Process

The making of the Bullshark Advanced Combat Knife - with background music by the legendary Anne Freeman of Hyperthreat Studios.

Creating the DS&S Bullshark Advanced Combat Knife

Above is a new video of the making of a Bullshark Advanced combat knife. The video depicts our shop, and the hands-on processes we use to create every knife we make. Background music for this video is provided by the amazing Anne Freeman and her Hyperthreat Studios.


The Bullshark Advanced Combat knife is made using third-generation powdered metallurgy in the form of M390 super steel. The blades are ground by hand with six separate grinds producing the resulting blade which is then mounted in hand-worked, self-draining G10 phenolic laminate in a specialized process unique to DS&S knives.


The owner of the prototype Bullshark, Anne Freeman, adds her song "Beautiful" to this video. We make gear for legends - and Anne is a legend.


Go to her site and buy stuff. Get involved with the work of Hyperthreat Studios, or we're sending the Mime Team after your dumb butt.



The new DS&S Video - the making of the Bullshark - with background music by the legendary Anne Freeman and her Hyperthreat Studios.

For those interested, our knives feature a zero-grind style at between 7.5 and 11 degrees. We do each of these completely by-hand and by-eyeball. There are no jigs at work here. Our grinder features a ten-inch wheel with a variable speed controller - and we run it at high pressures with a 70 duro contact wheel and 2 inch x 72-inch blaze ceramic belts. 

We do not, however, weigh our knives. If you are worried about how much they weigh, you must be preparing to take them into space. Hope you have a good trip.

Our steels have been LaTrobe Dura Tech 20CV, ELMAX, M390, CTS-204P, Z-FINIT Nitrogen Steel, CPM-20CV and a couple in N690 and Cowry X. We are always experimenting - and always looking for new materials and treatments. 

Our coatings are also specialized stuff: We use Black-T and Black Diamond DLC. Our blades are sent out to those two companies to accomplish that work, depending on the requirements of the project.

We do all our own firing and cryo work. Everything by-hand and by-heart.




5-13 Months


(yep. We are that busy)


Troops come first.


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