Not a whiff, but certainly whiffable.

[The Rat]

 Or whiff-fodder? Whatever, a very nice Valom HP Sparrow over on Britmodeller, so if any of you were thinking about one, have a look. I can think of a few schemes and users in our warped corner of the universe. https://www.britmodeller.com/forums/index.php?/topic/235165407-here%E2%80%99s-one-you-don%E2%80%99t-see-often-valom-hp-sparrow-mkii/