Any guesses?

[sh1kar]

 

[Will the chippy]

Is that something your kids or grandkids have made in primary school?

 

[Grannysmith]

Cloche frames?

 

[Taff]

Foot

 

[Tim.243]

View attachment 483320

They can't be pigeon cradles unless you are "live on the peg" and the bag is short.

 

[Apthorpe]

Something for supporting e.g. tomato vines in a greenhouse from wires?

 

[downwind]

Rat bait station??

 

[GrahamK998]

Dwarf Pomegranate?