When stealth is paramount.

[Bearbonesnorm]

Simply take one of these and pitch up behind it.

[Bearlegged]

I presume there's also a version with a more "British" sky?

[Verena]

Or just use some scissors to cut off the blue sky?

[RIP]

I think Bob should buy a pile of these. When he does his next walling job, string the requisite number of them together, announce job done, collect the fee, sit back and see how long it takes the client to notice.

[kvragu]

some silly goose stuff here

[whitestone]

I think Bob should buy a pile of these. When he does his next walling job, string the requisite number of them together, announce job done, collect the fee, sit back and see how long it takes the client to notice.

The trouble with that Reg is that I'm working in the north of England and the blue sky wouldn't pass muster

[Polisherman]

Pitch up behind what?

[RIP]

Pitch up behind what?

I see what you did there