Kettles
Fellow Stagg EKG Electric Pour-Over Kettle
Temperature to the degree. Gooseneck for control. Looks like an instrument because it is.
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Kettles.
The water decides the cup. The kettle decides the water.
What we recommend.
3 reviews 
Kettles
Bonavita 1.0L Variable-Temp Gooseneck Kettle
Five temperatures. A precise spout. Pours into the bag — not around it.
Kettles
Cosori Electric Gooseneck Kettle — 0.8L
Five presets. Four minutes. The kettle that makes the case for temperature control.
Other vessels