Weld not sticking part to specified position?

I tried to make a yellow ball which i stored in lighting hover over the player's head when they touch a brick, however, the ball welds to a strange place several studs behind and under the player's torso. Here's my code:

brick = script.Parent

brick.Touched:connect(function(h)
    ishuman = h.Parent:FindFirstChild('Humanoid')
    if ishuman then
        p = game.Lighting.a:Clone()
        p.Parent = game.workspace

        s = Instance.new("Weld")
        s.Parent = h.Parent.Torso
        s.Part0 = h.Parent.Torso
        s.C0 = h.Parent.Torso.CFrame:inverse()
        s.Part1 = p
        s.C1 = p.CFrame:inverse()
        p.CFrame = h.Parent.Torso.CFrame * CFrame.new(0,3,0)
    end
end)