How to apply silicone to a corner edge ?

There are caulking tools for all kinds of joints such as these. , but there seems to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.

What tool or technique do I need for applying caulk to an edge?

How can I coat an edge with silicone?

There are caulking tools for all kinds of joints such as these, but there seems to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

What tool or technique do I need for applying caulk to an edge?

(What do I need that for? I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.)

How can I coat an edge with silicone?

There are caulking tools for all kinds of joints such as these. , but there seems to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.

What tool or technique do I need for applying caulk to an edge?

How to apply silicone to a corner edge ?

There are caulking tools for all kinds of joints such as these. , but there seems to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.

What tool or technique do I need for applying caulk to an edge?

How can I coat an edge with silicone?

There are caulking tools for all kinds of joints (like this: https://www.amazon.com/Color-Scissor-Caulking-Finishing-Bathroom/dp/B0771HYJVS/ref=sr_1_9?crid=221S3RMI5JL8X&dchild=1&keywords=joint+smoothing+tool&qid=1598463701&sprefix=joint+smooth%2Caps%2C247&sr=8-9) , but there seem to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

(What do I need that for? I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.)

How can I coat an edge with silicone?

There are caulking tools for all kinds of joints such as these. , but there seems to be no such tools for edges.

I tried using my fingers, but this is far from tidy.

I'd need a caulking tool in such a shape:

Can such a thing be bought? Where? I tried making it myself by cutting a caulking tool like in the link above, but I cannot get close to the form needed with a knife.

Or can I do it in another way?

I have a counter top made of chipboard, laminated with melamine resin. There is a little gap between the coating of the top and the coating of the side, so at the edge the chipboard is visible. This is where moisture can get in. By putting silicone on it, I could seal it against moisture.

What tool or technique do I need for applying caulk to an edge?