Saturday Mac riddles 323

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: Well-guarded like West Berlin was, it holds your greatest secrets.

2: Motor nerve processes your images.

3: Cloth or worsted to connect it all together.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.