Photo: Tied for fly fishing. Naturalist Observation, c. 1912.
Fly pattern

Klinkhammer

An legendary European emerger pattern created by Hans van Klinken. Tied on a curved hook with a parachute hackle, it floats with the hackle and wing post on top of the surface tension, while the body hangs vulnerably below to mimic a hatching insect.

Key points

•
Surface Profile: The curved hook allows the abdomen to sit deep in the water column, simulating a trapped emerger.
•
Buoyancy: Highly buoyant poly-yarn wing post wrapped with a thick parachute hackle.
•
Trigger: Fish view it as a vulnerable, struggling insect unable to fly away.

Tying videos

•
Tying Hans van Klinken's Klinkhammer — classic caddis emerger method.

Imitates

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caddisflies or mayflies — emerging pupae/nymphs in the surface film.

Related

•
elk hair caddis — targets fully emerged adults.
•
rs2 — minimalist mayfly emerger alternative.

Sources

•
Hans van Klinken Klinkhammer Tutorial — tying video.
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