BASIC ROBLOX GRAB KNIFE CODE

me = game.Players.LocalPlayer
char = me.Character
selected = false
attacking = false
hurt = false
grabbed = nil
mode = "drop"
bloodcolors = {"Bright red", "Really red"}
function prop(part, parent, collide, tran, ref, x, y, z, color, anchor, form)
part.Parent = parent
part.formFactor = form
part.CanCollide = collide
part.Transparency = tran
part.Reflectance = ref
part.Size = Vector3.new(x,y,z)
part.BrickColor = BrickColor.new(color)
part.TopSurface = 0
part.BottomSurface = 0
part.Anchored = anchor
part.Locked = true
part:BreakJoints()
end
function weld(w, p, p1, a, b, c, x, y, z)
w.Parent = p
w.Part0 = p
w.Part1 = p1
w.C1 = CFrame.fromEulerAnglesXYZ(a,b,c) * CFrame.new(x,y,z)
end
function mesh(mesh, parent, x, y, z, type)
mesh.Parent = parent
mesh.Scale = Vector3.new(x, y, z)
mesh.MeshType = type
end
function remgui()
for _,v in pairs(me.PlayerGui:GetChildren()) do
if v.Name == "Modeshow" then
v:remove()
end
end
end
function inform(text,delay)
remgui()
local sc = Instance.new("ScreenGui")
sc.Parent = me.PlayerGui
sc.Name = "Modeshow"
local bak = Instance.new("Frame",sc)
bak.BackgroundColor3 = Color3.new(1,1,1)
bak.Size = UDim2.new(0.94,0,0.1,0)
bak.Position = UDim2.new(0.03,0,0.037,0)
bak.BorderSizePixel = 0