Cat outta Hell
Council of Elders
It you have it use a gotcha and tons of red balls and incense running.
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It connects to your app and basically just flashes when a pokemon is in range and gives you a one chance catch or miss. Can also auto spin poke stops for you. The PokeBall Plus also acts as a Switch controller with very limited function, basically only useable with the Let's Go Pikachu/Eevee games. Though both the Let's Go games and Sword and Shield can download a Pokemon into the ball that will speak up from time to time and the more you walk with them will gain them Exp for them in their home game.
But you can get non Nintendo/Pokemon offbrand devices that function just the same as far as catching and spinning Pokestops.