switch = {
    [4] = 3042,
    [5] = 3042,
    [6] = 3042,
    [7] = 3043,
    [8] = 3043,
    [9] = 3044,
    [10] = 3044
}

function moreHeads(_,activator) 
    local headCount = activator.m_iDecapitations
    if tonumber(headCount) >= 5 and tonumber(headCount) <= 10 then
        activator:SetAttributeValue("attach particle effect",switch[headCount])
    end
end