These are free YouTube subscriber exchange.
You can subscribe for free, "like" and subscribe to other channels, and in return, other members will do the same. You can always "skip" channels you don't like, just subscribe to channels you like.
Get up to 15 free subscribers per day, on average, 450 per month.
There are also paid packages, buy subscribers and views. I'm on the free account.
Then click on "Free All-in-one"/ Subscribe.
Another one is Subscribers.video
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