Is your dad a gadget guy? Then here’s your Father’s Day shopping list…or maybe not.

The Perfect Drink resembles a kitchen scale, with a digital display and round surface, except that it makes perfect cocktails for the person who doesn’t know how to make a perfect cocktail (or has perhaps already had a few too many perfect cocktails). Place a glass on the gadget, connect it to a tablet or smartphone, and an app will tell you how much to pour of a selected drink’s ingredient, sensing how much you’ve poured by weight. (Cost: $70)

Yellow Jacket is a $100 plastic iPhone case—available in yellow (and gray), it fits around the phone, protecting it if it’s dropped. It also  purports to protect the phone from theft and the user from attack—a flip of a switch and the Yellow Jacket becomes a 650,000-volt stun gun…after letting it charge up for a few precious seconds, however.

Hair plugs for the balding gentleman can cost up to several thousand dollars. The $700 iGrow Hair Growth Helmet promises to regrow hair by stimulating the scalp with low-power lasers, with results in as little as four months after daily use. The helmet also has built-in headphones to provide entertainment during the process.

Does your dad love toast, and does he also love listening to the radio? Is he in need of new models of both of these appliances, which tend to last a very, very long time? Then get him the Radio Toaster—it’s a two-slice toaster with an FM radio and speaker built right in. The cost: $115±—more than a toaster and radio bought separately.

You could buy your father a universal remote to control the TV, DVD player, and sound system all with one device…or you could indulge his sillier instincts and grab him the Remote Wrangler—it’s a face mask/headband combo covered in Velcro. Glue some Velcro to the back of the remotes, and just like that, Dad will never lose his remotes again because they’re attached to his face.