Boosting WiFi signal with common household items

[bucolic_frolic]

I've had one horrendous month of March in the WiFi department. Once I stabilized the signal I tried to boost it. Elevated the router on a 6" box, put an inverted mylar potato chip bag behind it. I got a 22% signal boost! Even at these low speeds this is lightning improvement. And I've not even begun any real innovation like curved deflectors. Found a couple vids on the subject.

Brew Can WiFi Signal Booster

How To: Build A Homemade Wireless Range Extender

[eppur_se_muova]

1. A couple of years ago I saw instructions for building a WiFi waveguide(?) antenna from a foil-lined cookie bag ...

... like Pepperidge Farm. Also one starting from foil-lined tofu boxes. I can't find either one now, but there are tons online starting from various cans, w/Pringles cans being a favorite (easy to cut cardboard).

[DBoon]

2. then there was the infamous Pringles can antenna