You have a dog lick it for three hours and then soak it in moutain dew and go swimming in January
Hand lens.
Hand lens
A magnifying glass is a hand-held instrument used to make an item look larger by magnifying its image when viewed through the lens.
Magnifying glass
To create larger waves when using a rope, you will need to make a larger amplitude. By moving your hand or shaking the rope with larger excursions, you can generate bigger waves. Conversely, smaller amplitudes would result in smaller waves.
I'd take your pig to a vet; this could be a serious medical issue, or nothing at all. It all depends; it's best to make sure, though
Grab his hand. You could just look and pay with his hand then just hold it; telling him to hold your hand works to.
That sounds like a magnifying glass.
It could make it better, but nost likely make it worse.
You could brush your hand close to his and see if he gets the hint or you could always make the first move and hold his hand. He may just be too shy or nervous.
Telescope
If talking about hand-puppets, you'd first to create one at a good size for what is needed. If you leave extra material across the "shoulders" and "chest" (i.e. the widest spread of your hand) you could spread your hand wide open to make the puppet suddenly larger. Otherwise, to add variety, keep your pinkie-to-thumb distance narrower to keep the puppet at a "regular size".