Plain or Serrated edge for a survival knife?

[VallesRobertsonII]

i just wish a good knife company could come out with a spearpoint blade 7" blade knife with plain edge on the lower edge and serated on the top. Oh yea... and affordable made out of decent steel. ---- Eric

I think Elk Ridge makes a spear point 8 in blade with plain edge on bottom and serrated on top, and it can be attached to a stick to be a spear