Possible Clues:

• Toy weapon
• Grade-school toy
• Nobody in literature maintains English has developed as a weapon
• Weapon that increases the pulse rate?
• Tube to get the pulse going?
• Missile launcher remains overturned - look around
• One's blown nose after exercise, like
• Primitive weapon for lord hosting an event on grouse moor
• Child’s toy that may set the pulse racing!
• Toy blowgun