Looks good enough to me to kill a critter and for hafting iv been using hot glue it works great if you dont have pitch or other primitive glues
![Wink ;)](http://www.primitivearcher.com/smf/Smileys/default/wink.gif)
. It takes practice on bottle bottoms to get the concavity out i always work the concave side flat then over shoot the convex side to match
![Wink ;)](http://www.primitivearcher.com/smf/Smileys/default/wink.gif)
watch paleomanjims youtube vids he show how to do that with pressure